ENGINE MAINTENANCE - Maintenance Procedures back to the stop (if it had not been temporarily blocked). 5. Inspect the pulleys for damage, rust and grease deposits. Clean or replace as necessary. tensioner had been temporarily blocked, relieve tensioner pressure enough to remove the locking pin, then allow the tensioner to spring back to its normal position. 3. Reinstall the fan drive poly V-belt as previously described in Poly V- belt and Fan Drive Belt Installation on page 70. 4. Reconnect the electrical ground wire to the battery. 2. Wet Cleaning strategy - This strategy requires wet cleaning the unit at the stated interval.
A wet cleaned unit from an authorized PACCAR dealer may either continue to use the wet cleaning strategy or switch to use the dry cleaning strategy. 2 Poly V-belt, Alternator, Air- Conditioning Compressor Drive and Coolant Pump Drive Install Procedure to install poly v-belt, alternator, air-conditioning compressor drive and coolant pump drive engine belts. Diesel Particulate Filter (DPF) Dry Cleaning Maintenance tasks to clean the diesel particulate filter. Follow the steps below to install the poly v- belt, alternator, air-conditioning compressor drive and coolant pump drive belts: 1.
Place the new poly V-belt over the pulleys, positioning the new belt so that it falls into all the belt pulley grooves. Aftertreatment System Diesel Particulate Filter Service Strategy Customers have two options when maintaining their Diesel Particulate Filter. Both strategies are shown on the maintenance schedule but only one strategy may be used. They are not interchangeable. 1. Dry Cleaning strategy - This strategy requires cleaning of ash at the stated interval. Once the unit is cleaned, it cannot be switched to the wet cleaning strategy interval. See Diesel Particulate Filter (DPF) Dry Cleaning on page 72 for the service procedure.
Perform this maintenance procedures according to the Preventative Maintenance Schedule. NOTE The aftertreatment DPF dry clean/wet clean interval is based on the use of lubricating oils that meet the SAE 10W30 API CK–4/CJ-4 oil specifica- tion. NOTE When installing the belts do not wrap belt around the tensioner until after the belt has been wrapped around all oth- er pulleys and idlers. 2. After installing the belt, carefully allow the belt tensioner to spring back to its normal position. If the 72 Y53-1166-1G1 (08/2018)